What Size Should I Make My Bench Dog/Holdfast Holes For My Workbench?
Asked by CraftyWalnut34
Hey everyone! I'm gearing up to build my first workbench and I'm a bit stuck on what diameter to make the holes for my future bench dogs and holdfasts. Since I live in the Netherlands, I've found that there are two common sizes: 19mm (which is about 3/4 inch) and 20mm. My table vise already uses 19mm holes, but I'm unsure if that's the standard in Europe. I've also seen a couple of EU artisans who create holdfasts specifically for 19mm. What do you all think is the best size to use? Thanks in advance!
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Would you mind sharing the names of those artisans? I'm in the EU too and looking for good holdfast options.
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Both sizes are popular! I think 19mm (or 3/4 inch) is more common in practice, but either will do fine. You'll find that they both perform well for dog holes. I'd personally recommend going with 19mm for consistency with accessories. Just make sure you find the gear that fits your choice!
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I drilled my holes at about 19-20mm. I used a bit and brace, and my 19mm bits varied a bit in size, but it didn't matter much. Going slightly larger for holdfasts works just fine too. It really comes down to what hardware you plan to use—pick one that fits your gear and stick with it! For me, I mostly needed them for holdfasts, so that worked out well.
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CraftyWalnut34: Sure! I found one on Etsy: [this oak leaf holdfast](https://www.etsy.com/listing/1019665699/oak-leaf-holdfast-for-ph19mm-or-34-inch). I saw a few other options but can't seem to dig up the links right now, sorry! ?